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Sanyo CP29EF1 Service Manual
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Sanyo CP29EF1 Service Manual

Sanyo CP29EF1 Service Manual

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SERVICE MANUAL Colour Television
Specifications
Power Source
. . . . . . . .AC127-240V, 50/60Hz.
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL 60Hz
Television System . . . . .B/G, D/KK', I, M/M
Channel Coverage . . . . .VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13
UHF: 21-69, A14-A69, J13-J62, 28-69 (AUS)
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Video IF . . . . . . . . . . . . . .38.0 MHz
Aerial Input Impedance . 75Ω
Ext. Terminals
Video inputs: Phono jack x 2 (1Vp - p, 75Ω)
DVD Input: Component Video Jack-Y  1 (1.0Vp-p, impedance 75Ω)
Component Video Jack CB/CR  1 (0.7Vp-p, impedance 75Ω)
Audio inputs: Phono jack (L/R) x 2 (436mVrms, more than 40KΩ)
Video monitor outputs: Phono jack x 1 (1Vp - p, 75Ω)
Audio monitor outputs: Phono jack (L/R) x 1 (436mVrms, less than 600Ω)
Headphone jack: Mini stereo jack x 1
Speaker . . . . . . . . . . . . . . 6 cm  12 cm  2 pcs.
Sound Output (RMS) . . . 7.5W + 7.5W
Dimensions . . . . . . . . . . . 750 (W)  581 (H)  497 (D)mm
Weight . . . . . . . . . . . . . . .approx. 38.0 Kg
Specifications subject to change without notice
BA4Y/BA4Z
TV/A V
MEN U
-
+
CH
POW ER
0-11, 5A(AUS), 1-11(NZ)
FILE NO.
Model No. CP29EF1(V)
(Australia / New Zealand)
.
Service Ref. No
CP29EF1-10
CP29EF1-20
TV/AV
TIMER
x
3
1
2
4
5
6
9
7
8
-/--
P
P
0
CH
SWAP
CH SCAN
MENU
A B
.
CH
PICTURE
SOUND S. SYS
BASS
SURROUND
JXPSG
Product Code: 113003718
Original Version
Chassis Series: FC7-AR
- NOTE -
Service Ref. No. CP29EF1-10 is electrically the
same as Service Ref. No. CP29EF1-20.
The difference between Service Ref. No.
CP29EF1-00 and CP29EF1-50 is as follow:
1) Destination CP29EF1-10...Australia
CP29EF1-20...New Zealand
Give complete "SERVICE REF. NO." for parts
order or servicing. It is shown on the rating plate
at the cabinet back of the unit.
This T.V. receiver will not work properly in
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
REFERENCE NO.
(BA4Y)
(BA4Z)
SM
3010347

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  • Page 1 - NOTE - CATV: S1-S41, X, Y, Z, Z+1, Z+2 Service Ref. No. CP29EF1-10 is electrically the Video IF ....38.0 MHz same as Service Ref. No. CP29EF1-20.

  • Page 2: Table Of Contents

    Contents Safety Notice ..........2 Chassis Block Diagram .

  • Page 3: Chassis Block Diagram

    Chassis Block Diagrams...
  • Page 4 Chassis Block Diagrams System Control IIC SDA IIC SCL...

  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < CPU/IF/Video/Chroma/Def.> R2J12203M4-+++FP...
  • Page 6 IC Block Diagrams IC001 < Audio AMP.> LA42207-E IC501 < Vertical Output > LA78141-E Standby Thermal Protection (H.S) Input amplifier + OUT1 Output amplifier 30kΩ - OUT1 Pump MUTE Vcc / ground shorting protection circuit Load shorting protection circuit Thermal protection circuit + OUT2 Output amplifier 30kΩ...

  • Page 7: Service Adjustment With Replacing Memory Ic(Ic801)

    Service Adjustments with Replacing Memory IC(IC802) Note: The CPU (IC201) and memory IC (IC802) store the service adjustments data and controls data for each circuit.When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the best performance. The necessary service adjustments are carried out by using the RC handset. Please set up the TV set with following steps [1] to [2].
  • Page 8 Service Adjustments with Replacing Memory IC(IC802) [Entering to Service Mode] Press and hold the MENU button on the TV set and press the numeric 1 button on the Remote Control. Following setting items appears on the screen. TV /A V M EN U Display for [RF DELAY ADJ] RF AGC adjustment 2.11...
  • Page 9 Service Adjustments with Replacing Memory IC(IC802) Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. Service mode adjustments table in CPU ROM Item Range Data Description VIF VCO ADJ 0 ~ 3F VIF VCO free-running frequency fine adjustment STRAP ADJ...
  • Page 10 Service Adjustments with Replacing Memory IC(IC802) Item Range Data Description BASEBAND TINT 50 0 ~ 7F Base band tint control for component color signal by 7bits DAC BASEBAND TINT 60 0 ~ 7F Base band tint control for component color signal by 7bits DAC HVCO FREERUN UP 0 ~ 1 Horizontal free-running frequency up...
  • Page 11 Service Adjustments with Replacing Memory IC(IC802) Item Range Data Description VLOGIC STOP 0 ~ 1 Vertical count up logic stop VBLK TEST 0 ~ 1 V blanking control WIDE VBLK TOP 0 ~ F Vertical blanking top adjustment 16:9 WIDE VBLK BOTTOM 0 ~ F Vertical blanking bottom adjustment 16:9 OSD CONT CLIP LEVEL...
  • Page 12 Service Adjustments with Replacing Memory IC(IC802) Item Range Data Description VIF AGC VTH HYS OFF 0 ~ 1 VIF AGC CURRENT CHANGE FUNCTION HYSTERESIS OFF SWITCH VIF AGC SPEED UP 0 ~ 7 VIF AGC SPEED Adj. AUDIO ATT L MONO 0 ~ 7F L Ch Audio output level attenuation SIF OUT MUTE...
  • Page 13 Service Adjustments with Replacing Memory IC(IC802) Item Range Data Description R MATRIX NT DEFFER 0 ~ 3 R matrix gain control for YCbCr (NTSC Offset) WHITE BALANCE 0 ~ 3 WHITE BALANCE (R-Drive & B-Drive) CUT OFF ( R ) 0 ~ FF R OUT Pedestal level adjustment ( R Bias for White balance ) CUT OFF ( G )
  • Page 14 Service Adjustments with Replacing Memory IC(IC802) Item Range Data Description AV TV TIME 0 ~ FF AV -TV change time(mainloop number) BG - STRAP OFFSET -9 ~ 9 S-TRAP OFFSET for sound strap adjustment BG System DK - STRAP OFFSET -9 ~ 9 S-TRAP OFFSET for sound strap adjustment DK System I - STRAP OFFSET...

  • Page 15: Service Mode Adjustments

    Service Mode Adjustments Items 187 - 191 GREY SCALE (1) Receive a monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Select No. 188 CUT OFF (R), No, 189 CUT OFF (G), and No. 190 CUT OFF (B) and set each data to 0 by pressing the VOLUME + or - key.
  • Page 16 Service Mode Adjustments Following adjustments should be carried out when the memory IC is replaced. How to enter the service mode and adjust values, please refer to “ Entering to Service mode” on page 8. Item 126 [RF DELAY ADJ] AGC ADJ Item 6 [V-SIZE 50] VERTICAL SIZE NOTE: Do not attempt this adjustment with weak signal.

  • Page 17: Service Adjustments

    Service Adjustments Following adjustments are not required to readjust when replacing the memory IC. HIGH VOLTAGE CHECK B-VOLTAGE SUPPLY CHECKING (1) Connect DC meter to TP-B and the ground. Note: +B (+125V) Voltage Check and Grayscale Adjustment (2) Tune the receiver to an active channel and synchro- must be completed before attempting High Voltage Check.

  • Page 18: Special Function

    Special Function The following special functions can be set up on this TV How to set the special function: set. Note: When making the VOLUME LOCK setting, set the (1) Volume Lock setting desired maximum sound volume by pressing the VOLUME + or - button before entering Special Function setting mode.

  • Page 19: Purity And Convergence Adjustment

    Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: Signals: Use a pattern generator which can output red, Rubber wedge Figure 1 green, blue and white raster and crosshatch...
  • Page 20 Purity and Convergence Adjustment CONVERGENCE ADJUSTMENT Figure 5 FOUR-POLE MAGNET TABS Preparation: After carrying out purity adjustment and SIX-POLE MAGNET TABS before proceeding to convergence adjustment, provisionally insert the rubber wedge so that there is no vertical or ANGLE sideways play in the deflection yoke. OF TABS Signals: Display a crosshatch pattern.

  • Page 21: Protection Circuit

    CABINET BACK REMOVAL 1. Refer to Figure 1, remove 11 screws. 2. Pull off cabinet back and remove. SUPER INPUT MONITOR WOOFER AV1/DVD AUDIO AUDIO (MONO) ANT. 75Ω S-VIDEO VIDEO VIDEO Figure 1. Cabinet Back Removal Protection Circuit This TV set has a built-in power supply protection circuit. It is provided to protect the TV set in case of a power supply circuit malfunctions.

  • Page 22: Cabinet Parts List

    ASSY,CABINET FR-BA4A 610 330 3369 CABINET FRONT-BA4A 610 316 1723 DOOR-C7LA 610 284 7741 DOOR COVER-C2SA 645 069 2185 BADGE,SANYO*43.5X10L43.5 610 321 7802 CABINET BACK-C7GA 610 256 7670 HOLDER AC CORD-SGP-D4VA 652 002 0634 REMOCON,JXPSG 610 337 0361 INSTRUCTIONS MANUAL-BA4E...

  • Page 23: Chassis Electrical Parts List

    Chassis Electrical Parts List BA4Y/BA4Z Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
  • Page 24 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4050144618 TR 2SC2412K T146 S 4051631612 TR 2SC2812N-L6-TB0 4050158724 TR 2SC2812-L6-TB 4051739813 TR 2SC3928A1R 4050158922 TR 2SC2812-L7-TB 4051739912 TR 2SC3928A1S 4051631612 TR 2SC2812N-L6-TB0 Q801 4050235009 TR 2SD400-E-MP 4051739813 TR 2SC3928A1R Q802 4052203115 TR ISA1235AC1E...
  • Page 25 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4032152211 CERAMIC 0.01U K C205 4040970101 ELECT 1U M C112 4041032907 CERAMIC 0.01U K C206 4041044900 CERAMIC 0.1U K 4040901204 CERAMIC 0.01U K 4040912606 CERAMIC 0.1U K 4032152211 CERAMIC 0.01U K 4033670417 CERAMIC...
  • Page 26 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4033438512 MT-POLYPRO 8600P H 1.5K 4032744218 POLYESTER 6800P K 100V C441 4041064502 MT-POLYPRO 0.18U J 400V 4032890717 POLYESTER 6800P K 100V 4033532210 MT-POLYPRO 0.18U J 400V C610 4030575329 POLYESTER 1200P J C463 4041148905...
  • Page 27 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4040901204 CERAMIC 0.01U K 4011050712 MT-GLAZE 100K JA 1/16W 4032152211 CERAMIC 0.01U K R1013 4011505915 MT-GLAZE 10K JA 1/10W C808 4041032907 CERAMIC 0.01U K 4011050613 MT-GLAZE 10K JA 1/16W 4040901204 CERAMIC 0.01U K...
  • Page 28 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4011055410 MT-GLAZE 47K JA 1/16W R221 4010267002 CARBON 3.9K JA 1/6W R122 4011506219 MT-GLAZE 1K JA 1/10W 4021085800 CARBON 3.9K JA 1/6W 4011050514 MT-GLAZE 1K JA 1/16W 4020943101 CARBON 3.9K JA 1/6W R1220...
  • Page 29 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description R473 4010275205 CARBON 680 JA 1/6W 4021025103 CARBON 220K JA 1/2W 4021119109 CARBON 680 JA 1/6W 4020924100 CARBON 220K JA 1/2W R473 4020944504 CARBON 680 JA 1/6W R631 4020008305 SOLID 5.6M KA 1/2W...
  • Page 30 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4020939401 CARBON 100 JA 1/6W L633 6100785953 PIPE CORE R818 4010246700 CARBON 100 JA 1/6W 6520010130 CORE,PIPE 4021032101 CARBON 100 JA 1/6W L634 6100785953 PIPE CORE 4020939401 CARBON 100 JA 1/6W 6520010130 CORE,PIPE...
  • Page 31 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 6103357706 HOLDER LED-BD6A 4070134306 DIODE 1S2076A D202 4080082406 DIODE 1N4148 D466 4070997802 ZENER DIODE MTZJ20A 4080585600 DIODE 1SS133ST 4080475505 ZENER DIODE MTZJ20A 4070124406 DIODE 1SS133 D469 4070077405 DIODE EU1 4070134306 DIODE 1S2076A 4080457709...
  • Page 32 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4080476403 ZENER DIODE MTZJ5.1A 6450975707 OSC,CRYSTAL 4.433619MHZ D808 4072217116 ZENER DIODE UDZS-TE-1712B 6520010154 OSC,CRYSTAL 4.433619MHZ D809 4072217116 ZENER DIODE UDZS-TE-1712B 6520016842 OSC,CRYSTAL 4.433619MHZ D810 4072505817 ZENER DIODE KDZ10V 6103371306 ASSY,PWB,CRT BA4S 4072065618 ZENER DIODE UDZS-TE-1710B D811...
  • Page 33 BA4Y/BA4Z Ref. No. Part No. Description Ref. No. Part No. Description 4020924308 CARBON 2.7K JA 1/2W R716 4010091508 CARBON 2.7K JA 1/2W 4021033207 CARBON 2.7K JA 1/2W 4020924308 CARBON 2.7K JA 1/2W R717 4010091508 CARBON 2.7K JA 1/2W 4021033207 CARBON 2.7K JA 1/2W 4020924308...

  • Page 34: Component Locations

    Component Locations MAIN Board (Parts Side) A1901 C1001 PS601 C1015 C1017 C036 C033 L601 L601A C030 C031 C613 R602 R602A C001 C011 C013 D635H1 D635H2 D635 R641A R641 R641AH1 R641B R641AH2 C007 C017 C032 C645 C615 IC002 R670AH2 R673B C018 R670A R670 C638...
  • Page 35 Component Locations MAIN Board (Solder Side) D1911A R1901 A1901 R1915 R1914 R1912 D1911 R1910 D1902 D1901 R1911 D1904 J1906 R1906 D1903 R1903 R1905 R1904 SW1906 Q1902 R1902 JP009 JP1002 SW1902 R1001 R1002 R1019 R1005 D1003 C1001 JP010 D1001 R1003 D1002 C1015 C1017 PS601H2...

  • Page 36: Voltages And Waveforms Charts

    Component Locations CRT Board (Parts Side) CRT Board (Solder Side) Q705 Q705A Voltages and Waveforms Charts Note: Voltages and waveforms were measured with colour bar signal and controls adjusted for normal picture. Main Board Q203 Q1003 Q111 Q122 Q1902 Q202 Q206 Q431 7.9V...
  • Page 37 Voltages and Waveforms Charts IC001 (AUDIO AMP.) Pin-1 11.9V 0.7V 0.7V 3.9V 11.5V 5.6V 5.7V 5.5V IC1200 (AUDIO CONTROL) Pin-1 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 7.2V 7.2V 3.4V 3.4V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V 3.6V IC501 (VERT.
  • Page 38 -38-...
  • Page 39 -39-...
  • Page 40 SANYO Electric Co., Ltd. June / 08 / 30 CPS Printed In Indonesia...
  • Page 41 Allowable error (±5%) CAPACITOR scope and a low capacity probe. N: Metalized carbon Kind (M.carbon) S: Oxied metalized 8. This circuit diagram covers a basic or representative chassis only. CP29EF1-10 W: Wire wounding There Rated wattage (1/2W) POSISTER SERVICE C: Solid...

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